|
|||||
|
|
Analysis of integrated corner mirrors by using a wide-angle beam propagation method |
|
| Authors: | Daoxin Dai Liu Liu Sailing He |
| Institution: | aCentre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Yu-Quan, 310027 Hangzhou, PR China bJoint Research Center of Photonics of the Royal Institute of Technology (Sweden) and Zhejiang University, Zhejiang University, Yu-Quan, 310027 Hangzhou, PR China cDivision of Electromagnetic Theory, Alfven Laboratory, Royal Institute of Technology, S-100 44 Stockholm, Sweden dLaboratory of Photonics and Microwave Engineering, Department of Microelectronics and Information Technology, Royal Institute of Technology, S-16440 Kista, Sweden |
| Abstract: | An integrated corner mirror is analyzed by using a two-dimensional (2D) wide-angle beam propagation method (WA-BPM) combining with an effective index method (EIM). Both the reflection efficiency and the phase variation due to a total internal reflection (TIR) for the TE and TM modes are calculated. A non-perfect fabrication (such as a tilted or displaced mirror) introduces an additional reflection loss and some errors of the phase variation. The additional reflection loss due to a tilted mirror increases rapidly as the tilted angle increases and becomes more sensitive to the tilted angle when the confinement of the waveguide becomes weaker. It is shown that the displacement of a mirror influences the phase variation greatly and the difference of the phase variation between the TE and TM modes is not sensitive to the displacement of the mirror. |
| Keywords: | Corner mirror Reflection Loss Phase variation Wide-angle Beam propagation method Polarization Fabrication error |
| 本文献已被 ScienceDirect 等数据库收录！ | |